Plant stand



FIG. 1 is a perspective view of the plant stand;

FIG. 2 is a side elevation of the plant stand;

FIG. 3 is a top plan view of the plant stand; and,

FIG. 4 is a bottom view of the plant stand.

The broken line disclosure of a pot is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a plant stand, as shown and described. 